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authorMatthew Wilcox <willy@linux.intel.com>2015-09-09 00:58:51 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-09 01:35:28 +0300
commitfc43704437ebe40f642ac53f7ee73661fe74e6b8 (patch)
treed45a977cf28e2c463b97e22a26996e55ff7d6404 /mm/huge_memory.c
parentb96375f74a6d4f39fc6cbdc0bce5175115c7f96f (diff)
downloadlinux-fc43704437ebe40f642ac53f7ee73661fe74e6b8.tar.xz
mm: export various functions for the benefit of DAX
To use the huge zero page in DAX, we need these functions exported. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Hillf Danton <dhillf@gmail.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 9057241d5722..c426a89e025c 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -173,12 +173,7 @@ fail:
static atomic_t huge_zero_refcount;
struct page *huge_zero_page __read_mostly;
-static inline bool is_huge_zero_pmd(pmd_t pmd)
-{
- return is_huge_zero_page(pmd_page(pmd));
-}
-
-static struct page *get_huge_zero_page(void)
+struct page *get_huge_zero_page(void)
{
struct page *zero_page;
retry: